용액 코팅법을 통한 연료전지용 불소계 전해질 강화복합막의 특성에 미치는 분산용매의 영향

육승호; 윤기로; 최지훈; 이주성; 김종민; 이관영; 이관영; 김진영; Seung Ho Yook; Ki Ro Yoon; Jihun Choi; Ju Sung Lee; Jong Min Kim; Seung Woo Lee; Kwan-Young Lee; Jin Young Kim

Korean Chemical Engineering Research, Vol.57, No.3, 413-419, June, 2019

DOI10.9713/kcer.2019.57.3.413 Export Citation

용액 코팅법을 통한 연료전지용 불소계 전해질 강화복합막의 특성에 미치는 분산용매의 영향

Effect of Dispersion Solvent on Properties of Fluorinated Polymer Reinforced Composite Membrane for Fuel Cell by Solution Coating Method

육승호^{1, 2}, 윤기로³, 최지훈¹, 이주성¹, 김종민¹, 이관영⁴, 이관영², 김진영^{1, †}

¹한국과학기술연구원 수소·연료전지연구단, 02792 서울특별시 성북구 화랑로 14길 5
²고려대학교 화공생명공학과, 02841 서울특별시 성북구 안암로 145
³한국생산기술연구원 산업용섬유그룹, 15588 경기도 안산시 상록구 항가울로 143
⁴조지아공과대학 기계공학과, Georgia Institute of Technology, Atlanta, Georgia 30332, United States

Seung Ho Yook^{1, 2}, Ki Ro Yoon³, Jihun Choi¹, Ju Sung Lee¹, Jong Min Kim¹, Seung Woo Lee⁴, Kwan-Young Lee², and Jin Young Kim^{1, †}

¹Center for Hydrogen & Fuel Cell Research, Korea Institute of Science and Technology (KIST), 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul, 02792, Korea
²Department of Chemical & Biological Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Korea
³Technical Textile and Materials R&D Group, Korea Institute of Industrial Technology (KITECH), 143, Hanggaul-ro, Sangnok-gu, Ansan-si, Gyeonggi-do, 15588, Korea
⁴Georgia Institute of Technology, Atlanta, Georgia 30332, United States, USA

E-mail:

초록

최근 화석연료기반에서 친환경 수소 기반의 청정에너지원으로 전환되는 세계적 흐름에 따라, 수소연료전지의 고성능 저가격 핵심 소재 기술 개발에 많은 관심이 이루어지고 있다. 그 가운데 연료전지의 전해질로 사용되는 강화복합막의 기술 도입은 과불소계 술폰산 이오노머(Perfluorosulfonic acid, PFSA) 양의 감소 및 막 두께 감소를 통한 가격 저감 및 셀 저항 감소, 치수 안정성 개선 그리고 계면 안정성에 대한 확보가 가능하여 최종적으로 연료전지 성능 향상과 가격 절감이 동시에 가능하다. 본 연구에서는 연료전지용 불소계 전해질 강화복합막 코팅 공정에서 이오노머 분산용매에 따라 막 형성 및 물성 변화와 연료전지 성능에 미치는 영향에 대해 연구하였다.

In the recent, as a world demand of energy resources has been transformed from fossil fuels to hydrogenbased clean energy resources, a huge attention has been attracted to increase the performance and decrease a production cost of core materials in fuel cell technology. The utilization of reinforced composite membranes as electrolytes in the polymer electrolyte membrane fuel cells can reduce the use of high cost perfluorosulfonic acid (PFSA), mitigate the cell impedance, and improve the dimensional stability as well as the interfacial stability, giving rise to achieve both an improved performance and a reduction of production costs of the fuel cell devices. In this study, we investigate the effects of physical characteris tics and cell performances according to the various ionomer solvents in the solution based manufacturing process of reinforced composite electrolyte membrane.

Keywords:Fuel cell;Reinforced composite membrane;Polymer electrolyte;Perfluorosulfonic acid;Casting solvent

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[2] Wang SY, Jiang SP, Natl. Sci. Rev., 4(2), 163 (2017)

[3] Whittingham MS, Savinell RF, Zawodzinski T, Chem. Rev., 104, 4243 (2014)

[4] Ahmet K, Adam ZW, Chem. Rev., 117, 987 (2017)

[5] Ameduri B, Chem. Eur. J., 24(71), 18830 (2018)

[6] Nouel KM, Fedkiw PS, Electrochim. Acta, 43(16-17), 2381 (1998)

[7] Yamaguchi T, Miyata F, Nakao S, Adv. Mater., 15(14), 1198 (2003)

[8] Liu FQ, Yi BL, Xing DM, Yu JR, Zhang HM, J. Membr. Sci., 212(1-2), 213 (2003)

[9] Mohammad EZ, Fereidoon M, Ahmad R, Iran. Polym. J., 25(7), 589 (2016)

[10] Dai JC, Teng XG, Song YQ, Ren J, J. Membr. Sci., 522, 56 (2017)

[11] Ma CH, Yu TL, Lin HL, Huang YT, Chen YL, Jeng US, Lai YH, Sun YS, Polymer, 50(7), 1764 (2009)

[12] Yeo RS, Polymer, 21(4), 432 (1980)

[13] Wang Z, Tang HL, Li JR, Zeng Y, Chen LT, Pan M, J. Power Sources, 256, 383 (2014)

[14] Ghahremani H, Moradi A, Abedini-Torghabeh J, Hassani SM, Der Chemica Sinica, 2(6), 212 (2011)

[15] Vazquez G, Alvarez E, Navaza JM, J. Chem. Eng. Data, 40(3), 611 (1995)

[16] Kreuer KD, Rabenau A, Weppner W, Angew. Chem.-Int. Edit., 21(3), 208 (1982)

[17] Ludvigsson M, Lindgren J, Tegenfeldt J, J. Electrochem. Soc., 147(4), 1303 (2000)

[18] Wang Z, Tang HL, Li JR, Zeng Y, Chen LT, Pan M, J. Power Sources, 256, 383 (2014)

[19] Zhang WJ, Kish DL, Pintauro PN, ECS. Trans., 33(1), 635 (2010)

[20] Baik KD, Hong BK, Kim MS, Renew. Energy, 57, 234 (2013)